NYC-WTC_000228995

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: -NYC BOE Volnme (liters); 1800 Lab Groop #: 7807 Filter Type / Filter Area: MCE 385 mm- Lab Sample#: 3 Grid Opening Size: 0.01124 Client Sample #: 05 Area Examined: 0.04496 mm-

GRID BOX: Maenification: 20,000 GRIDID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/20/02

Analysis Performed By: AL'/ ROMAN PEYSAKHOV

GO. Structure Structure Type Lertgth ID of Structure N or \ ■~EDS I No jNonadb j F B C M >-5|j Cfirys Amphibofe Nonasb Ambig/ND Elements) <5m

7 Z

2Z

I 1 ! 1 Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to undissolved fitter, overlap^ or folded Totals laboraiotY identification criteria observed lAba.ua>ua irUnnMA.r»<kiMM nvUiRvln <10% particulate coverage >50% coverage ate least 20 arfoSded or Qvedapped grid squares <5% F B C xM >5p V- EDS spectrum coniorming to laBoratory holes or opaque areas Bentiffcatiott crtlena observed Chrysotile AMPHtBOLES Amphibole F = Singie Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster {>3 intersecuons) Anthophyllite Non-Asbestos T remolite M = Matrix Actinolite Non-Identified NSC = No Structures Detected

CITY_21MC100_002902020

NYC-WTC_000228995